Does anyone know why I might be getting this while trying to start a miner on my new machine?

2013-06-05 19:21:41: Listener for "Default" started
2013-06-05 19:21:42: Listener for "Default": 05/06/2013 19:21:42, started OpenCL miner on platform 0, device 0 (Tahiti)
2013-06-05 19:21:42: Listener for "Default": api2.bitcoin.cz:8332 05/06/2013 19:21:42, checking for stratum...
2013-06-05 19:21:42: Listener for "Default": api2.bitcoin.cz:8332 05/06/2013 19:21:42, no response to getwork, using as stratum
2013-06-05 19:21:42: Listener for "Default": api2.bitcoin.cz:8332 05/06/2013 19:21:42,  No JSON object could be decoded
2013-06-05 19:21:52: Listener for "Default": api2.bitcoin.cz:8332 05/06/2013 19:21:52, Failed to subscribe
2013-06-05 19:21:54: Listener for "Default": api2.bitcoin.cz:8332 05/06/2013 19:21:54, IO errors - 1, tolerance 2